·noun One who is capable of active service.
II. Effective ·noun That which produces a given effect; a cause.
III. Effective ·noun Specie or coin, as distinguished from paper currency;
— a term used in many parts of Europe.
IV. Effective ·add. ·noun The serviceable soldiers in a country; an army or any military body, collectively; as, France's effective.
V. Effective ·adj Having the power to produce an effect or effects; producing a decided or decisive effect; efficient; serviceable; operative; as, an effective force, remedy, speech; the effective men in a regiment.